21114056674 has 16 divisors (see below), whose sum is σ = 31910379768. Its totient is φ = 10477302912.

The previous prime is 21114056671. The next prime is 21114056683. The reversal of 21114056674 is 47665041112.

It can be written as a sum of positive squares in 4 ways, for example, as 20861469225 + 252587449 = 144435^2 + 15893^2 .

It is not an unprimeable number, because it can be changed into a prime (21114056671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1482652 + ... + 1496824.

Almost surely, 2^21114056674 is an apocalyptic number.

21114056674 is a deficient number, since it is larger than the sum of its proper divisors (10796323094).

21114056674 is a wasteful number, since it uses less digits than its factorization.

21114056674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19749.

The product of its (nonzero) digits is 40320, while the sum is 37.

Adding to 21114056674 its reverse (47665041112), we get a palindrome (68779097786).

The spelling of 21114056674 in words is "twenty-one billion, one hundred fourteen million, fifty-six thousand, six hundred seventy-four".